#include<iostream>
using namespace std;
int n;
int main()
{
	cin >> n;
	int x = 0;
	int ans = 0;
	for (int i = 0; i < n; i++) {
		cin >> x;
		if (x % 2 == 1) {
			ans++;
		}
	}
	if (ans % 2 == 1) {
		cout << "Alice" << endl;
	}
	else
		cout << "Bob" << endl;
	return 0;
}